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Amphastar Pharmaceuticals (AMPH) Shares Outstanding (Weighted Average) (2016 - 2025)

Amphastar Pharmaceuticals has reported Shares Outstanding (Weighted Average) over the past 13 years, most recently at $46.7 million for Q4 2025.

  • Quarterly results put Shares Outstanding (Weighted Average) at $46.7 million for Q4 2025, down 3.48% from a year ago — trailing twelve months through Dec 2025 was $46.7 million (down 3.48% YoY), and the annual figure for FY2025 was $46.7 million, down 3.48%.
  • Shares Outstanding (Weighted Average) for Q4 2025 was $46.7 million at Amphastar Pharmaceuticals, up from $46.5 million in the prior quarter.
  • Over the last five years, Shares Outstanding (Weighted Average) for AMPH hit a ceiling of $48.9 million in Q2 2024 and a floor of $46.5 million in Q3 2025.
  • Median Shares Outstanding (Weighted Average) over the past 5 years was $48.2 million (2022), compared with a mean of $48.0 million.
  • Biggest five-year swings in Shares Outstanding (Weighted Average): increased 2.47% in 2021 and later decreased 4.42% in 2025.
  • Amphastar Pharmaceuticals' Shares Outstanding (Weighted Average) stood at $47.8 million in 2021, then grew by 1.62% to $48.6 million in 2022, then dropped by 0.59% to $48.3 million in 2023, then grew by 0.34% to $48.4 million in 2024, then fell by 3.48% to $46.7 million in 2025.
  • The last three reported values for Shares Outstanding (Weighted Average) were $46.7 million (Q4 2025), $46.5 million (Q3 2025), and $47.3 million (Q2 2025) per Business Quant data.